[INFO] fetching crate rusty-paper-wallet 0.10.0...
[INFO] checking rusty-paper-wallet-0.10.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rusty-paper-wallet 0.10.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rusty-paper-wallet 0.10.0
[INFO] finished tweaking crates.io crate rusty-paper-wallet 0.10.0
[INFO] tweaked toml for crates.io crate rusty-paper-wallet 0.10.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-paper-wallet 0.10.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty-paper-wallet 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dc54c5e090a8086a2f27ed6b1a4ebb281ca19bb58c7d36410ef43d67eb0d8a2
[INFO] running `Command { std: "docker" "start" "-a" "2dc54c5e090a8086a2f27ed6b1a4ebb281ca19bb58c7d36410ef43d67eb0d8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc54c5e090a8086a2f27ed6b1a4ebb281ca19bb58c7d36410ef43d67eb0d8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc54c5e090a8086a2f27ed6b1a4ebb281ca19bb58c7d36410ef43d67eb0d8a2", kill_on_drop: false }`
[INFO] [stdout] 2dc54c5e090a8086a2f27ed6b1a4ebb281ca19bb58c7d36410ef43d67eb0d8a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a2caad39de9d52dc16cb05b900defc498526f1791cca2e79bb9fad1f8046809
[INFO] running `Command { std: "docker" "start" "-a" "9a2caad39de9d52dc16cb05b900defc498526f1791cca2e79bb9fad1f8046809", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking bech32 v0.8.1
[INFO] [stderr]    Compiling secp256k1-sys v0.5.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bitcoin_hashes v0.10.0
[INFO] [stderr]    Compiling maud_htmlescape v0.17.1
[INFO] [stderr]     Checking bmp-monochrome v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking qr_code v1.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking secp256k1 v0.22.1
[INFO] [stderr]     Checking bitcoin v0.28.1
[INFO] [stderr]    Compiling maud_macros v0.22.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking maud v0.22.3
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking miniscript v7.0.0
[INFO] [stderr]     Checking rusty-paper-wallet v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     /// The descriptor defining the spending script of the paper wallet{n}
[INFO] [stdout] 10 | |     /// Contains alias such as 'Alice' in place of keys that will be substituted with randomly generated keys.{n}
[INFO] [stdout] 11 | |     /// For basic paper wallet use: 'wpkh(Alice)'
[INFO] [stdout] 12 | |     descriptor: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     /// The descriptor defining the spending script of the paper wallet{n}
[INFO] [stdout] 10 | |     /// Contains alias such as 'Alice' in place of keys that will be substituted with randomly generated keys.{n}
[INFO] [stdout] 11 | |     /// For basic paper wallet use: 'wpkh(Alice)'
[INFO] [stdout] 12 | |     descriptor: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-paper-wallet` (bin "rusty-paper-wallet") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rusty-paper-wallet` (bin "rusty-paper-wallet" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9a2caad39de9d52dc16cb05b900defc498526f1791cca2e79bb9fad1f8046809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a2caad39de9d52dc16cb05b900defc498526f1791cca2e79bb9fad1f8046809", kill_on_drop: false }`
[INFO] [stdout] 9a2caad39de9d52dc16cb05b900defc498526f1791cca2e79bb9fad1f8046809